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lcd: improve LL driver according to TRM

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This commit is contained in:
morris
2022-01-21 18:29:45 +08:00
parent 1938d7c006
commit 2ab7d92785
5 changed files with 253 additions and 21 deletions
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3
components/esp_lcd/src/esp_lcd_rgb_panel.c
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@@ -439,7 +439,8 @@ static esp_err_t lcd_rgb_panel_configure_gpio(esp_rgb_panel_t *panel, const esp_
static esp_err_t lcd_rgb_panel_select_periph_clock(esp_rgb_panel_t *panel, lcd_clock_source_t clk_src)
{
esp_err_t ret = ESP_OK;
lcd_ll_set_group_clock_src(panel->hal.dev, clk_src, LCD_PERIPH_CLOCK_PRE_SCALE, 1, 0);
// force to use integer division, as fractional division might lead to clock jitter
lcd_ll_set_group_clock_src(panel->hal.dev, clk_src, LCD_PERIPH_CLOCK_PRE_SCALE, 0, 0);
switch (clk_src) {
case LCD_CLK_SRC_PLL160M:
panel->resolution_hz = 160000000 / LCD_PERIPH_CLOCK_PRE_SCALE;